Physical deterioration of adsorbent is not a problem.

不存在吸收剂物理退化问题。

youdao

Physical deterioration, as of a highway, caused by hard use over time.

恶化，损坏：由于长期过度使用而造成的磨损，如高速公路。

youdao

Physical deterioration, as of a highway, caused by hard use over time.

恶化，损坏：由于长期过度使用而造成的磨损，如高速公路。

youdao